import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters, getMenusAndPermissions } from '@/api/menu'
import Layout from '@/layout'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'
// import Layout from '@/layout'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore('permission', {
  state: () => ({
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: [],
    vueRoutes: [],
  }),
  actions: {
    setVueRoutes(routes) {
      this.vueRoutes = routes
    },
    setRoutes(routes) {
      this.addRoutes = routes
      this.routes = constantRoutes.concat(routes)
    },
    setDefaultRoutes(routes) {
      this.defaultRoutes = constantRoutes.concat(routes)
    },
    setTopbarRoutes(routes) {
      this.topbarRouters = routes
    },
    setSidebarRouters(routes) {
      this.sidebarRouters = routes
    },
    generateRoutes(roles) {
      return new Promise((resolve, reject) => {
        // 向后端请求路由数据
        getMenusAndPermissions().then((res) => {
          try {
            let { menuList, permissionList } = res.data
            menuList = menuList.sort((a, b) => a.sort - b.sort)
            // 1. 将后端返回的数据转换为ruoyi需求的格式
            const sdata = menuList.map((menuitem) => {
              const returnMenuItem = {
                id: menuitem.id,
                name: menuitem.componentName,
                path: '',
                level: menuitem.level,
                // 是否隐藏要根据是否有权限进一步处理
                hidden: false,
                redirect: 'noRedirect',
                component: 'Layout',
                alwaysShow: true,
                meta: {
                  title: menuitem.menuName,
                  icon: menuitem.icon,
                  noCache: false,
                  link: null,
                },
              }

              menuitem.children = menuitem.children.sort(
                (a, b) => a.sort - b.sort
              )

              // let showChildren = true

              returnMenuItem.children = menuitem.children.map((subitem) => {
                // if (subitem.type == 2 && menuitem.children.length == 1) {
                //   showChildren = false
                // }

                const returnSubItem = {
                  id: subitem.id,
                  name: subitem.routeAddress,
                  path: subitem.routeAddress,
                  // 是否隐藏要根据是否有权限进一步处理
                  hidden: subitem.type == 2,
                  level: subitem.level,
                  redirect: 'noRedirect',
                  component: subitem.routeAddress.slice(1),
                  // alwaysShow: true,
                  meta: {
                    title: subitem.menuName,
                    icon: subitem.icon,
                    noCache: false,
                    link: null,
                  },
                }
                // console.log(returnMenuItem)
                return returnSubItem
              })

              // if (!showChildren) {
              //   // returnMenuItem.children = []
              //   delete returnMenuItem['children']
              // }

              return returnMenuItem
            })

            // console.log(sdata)
            const rdata = JSON.parse(JSON.stringify(sdata))
            const defaultData = JSON.parse(JSON.stringify(sdata))

            // 2. 调用原有的代码进行处理
            // 创建Routes
            const sidebarRoutes = filterAsyncRouter(sdata)
            const rewriteRoutes = filterAsyncRouter(rdata, false, true)
            const defaultRoutes = filterAsyncRouter(defaultData)
            const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
            asyncRoutes.forEach((route) => {
              router.addRoute(route)
            })

            this.setRoutes(rewriteRoutes)
            this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
            this.setDefaultRoutes(sidebarRoutes)
            this.setTopbarRoutes(defaultRoutes)

            console.log({ rewriteRoutes, permissionList })
            resolve({ rewriteRoutes, permissionList })
          } catch (err) {
            reject(err)
          }
          // console.log(res)
          // resolve(res.data)
        })
        // getRouters().then(res => {
        //   const sdata = JSON.parse(JSON.stringify(res.data))
        //   const rdata = JSON.parse(JSON.stringify(res.data))
        //   const defaultData = JSON.parse(JSON.stringify(res.data))
        //   const sidebarRoutes = filterAsyncRouter(sdata)
        //   const rewriteRoutes = filterAsyncRouter(rdata, false, true)
        //   const defaultRoutes = filterAsyncRouter(defaultData)
        //   const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
        //   asyncRoutes.forEach(route => { router.addRoute(route) })
        //   this.setRoutes(rewriteRoutes)
        //   this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
        //   this.setDefaultRoutes(sidebarRoutes)
        //   this.setTopbarRoutes(defaultRoutes)
        //   resolve(rewriteRoutes)
        // })
      })
    },
  },
})

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  // console.log(asyncRouterMap)
  return asyncRouterMap.filter((route) => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    // console.log(route)
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else if (route.component === 'InnerLink') {
        route.component = InnerLink
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView' && !lastRouter) {
        el.children.forEach((c) => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
      if (el.children && el.children.length) {
        children = children.concat(filterChildren(el.children, el))
        return
      }
    }
    children = children.concat(el)
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  routes.forEach((route) => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {
  let res
  // console.log('modules',modules)
  for (const path in modules) {
    const dir = path.split('views/')[1].split('.vue')[0]
    // console.log(dir == view, dir, view)
    if (dir === view) {
      // console.log('if',dir,view)
      res = () => modules[path]()
    }
    // console.log('res', res)
    // console.log('path', path)
  }

  return res
}

export default usePermissionStore
